<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="utf-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <title>Bootstrap 101 Template</title>

    <link href="static/css/bootstrap.min.css" rel="stylesheet">

    <script src="static/js/jquery-3.5.1.js"></script>
    <script src="static/js/bootstrap.min.js"></script>
</head>
<body>

<!--
    需求：把1111div，向中间偏移
    .col-xs-offset-*类可以将列向右侧偏移
-->
<div class="container">
    <div class="row">
        <div class="col-xs-4 col-xs-offset-4" style="border: 1px solid blue">11111</div>
    </div>
</div>

</body>
</html>